On Jun 26, 7:35 am, Hallvard B Furuseth <h.b.furus...@usit.uio.no> wrote: > Stefan Behnel writes: > >João Valverde wrote: > >> Besides some interface glitches, like returning None > >> on delete if I recall correctly. > > > That's actually not /that/ uncommon. Operations that change an object are > > not (side-effect free) functions, so it's just purity if they do not have a > > return value. > > It's purity that they don't return the modified tree/dict/whatever. > They can still return the deleted element and remain pure.
Correct, dict.pop does exactly this. Carl Banks -- http://mail.python.org/mailman/listinfo/python-list
